Family name Klainman (Klainman 
) , in all the world, is a very rare last name. The cognomen Klainman is habitual in Israel, where it is a very rare surname, Argentina, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Argentina, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Klainman | Canada, Argentina, United States, Israel, Brazil |